28677945

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61673}}^1$

素因数の和:61712

約数の個数: 16

約数和(自身を含む): 47365632

約数和(自身を除く): 18687687

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 61673, 185019, 308365, 925095, 1911863, 5735589, 9559315, 28677945]

約数ペア:

[(1, 28677945), (3, 9559315), (5, 5735589), (15, 1911863), (31, 925095), (93, 308365), (155, 185019), (465, 61673)]